Database Systems MCQs – Certification Test 1620

SQL Data Definition Quiz (Question 1620) – App & e-Book Download

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MCQ 1620: The primary key attributes are required to be:

Not null
Unique
Not unique
Both A and B

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Database Systems Quiz App & e-Book – SQL Data Definition Certification Guide

Deadlock Handling Test 1631

Query Processing Test 1632

Recursive Queries Test 1633

Constraints in DBMS Test 1634

B+ Trees Test 1635

Application Performance Test 1636

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